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A platform for research: civil engineering, architecture and urbanism
Fly Ash Utilization in Rigid Pavement Construction
Fly ash is a waste byproduct from burning coal in electric power generating plants. The tendency of abundant coal waste not optimally utilized leads to a serious environmental problem in the future. One of the management that can be applied is utilizing this waste as civil engineering building materials. Previous studies have recommended the use of residual materials, especially fly ash, as a substitute in the concrete mixture. Based on this background, we evaluated the effectivity of fly ash substitution in lightweight concrete as a material in rigid pavement construction based on the compressive strength requirements at 28 days of age. This study used a mixture of Portland cement type I and foam to produce lightweight concrete with a specific gravity of 1.2. As much as 15% of the total mixture will be substituted using fly ash obtained from a power plant. The results showed that the lightweight concrete produced from this mixture had a compressive strength of 139 kg/cm2. Accordingly, in addition to be a great contribution in overcoming these coal-waste-related environmental concerns and a cost-effective method, 15% fly ash substitution in concrete mixture can be taken into consideration in obtaining lightweight concrete that fulfils the general specification criteria for the cement-treated subbase (CTSB).
Fly Ash Utilization in Rigid Pavement Construction
Fly ash is a waste byproduct from burning coal in electric power generating plants. The tendency of abundant coal waste not optimally utilized leads to a serious environmental problem in the future. One of the management that can be applied is utilizing this waste as civil engineering building materials. Previous studies have recommended the use of residual materials, especially fly ash, as a substitute in the concrete mixture. Based on this background, we evaluated the effectivity of fly ash substitution in lightweight concrete as a material in rigid pavement construction based on the compressive strength requirements at 28 days of age. This study used a mixture of Portland cement type I and foam to produce lightweight concrete with a specific gravity of 1.2. As much as 15% of the total mixture will be substituted using fly ash obtained from a power plant. The results showed that the lightweight concrete produced from this mixture had a compressive strength of 139 kg/cm2. Accordingly, in addition to be a great contribution in overcoming these coal-waste-related environmental concerns and a cost-effective method, 15% fly ash substitution in concrete mixture can be taken into consideration in obtaining lightweight concrete that fulfils the general specification criteria for the cement-treated subbase (CTSB).
Fly Ash Utilization in Rigid Pavement Construction
Lect.Notes Mechanical Engineering
Akhyar (editor) / Suryani, F. M. (author) / Rizal, Samsul (author) / Abdullah (author) / Isya, M. (author)
2021-06-01
9 pages
Article/Chapter (Book)
Electronic Resource
English
Fly Ash Utilization in Rigid Pavement Construction
| TIBKAT | 2021
Construction Control of Rigid Pavement Roughness
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Construction Control of Rigid Pavement Roughness
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